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LanguageServers/Cpp: Support jumping to declaration of preprocessor

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.. definitions.
This commit is contained in:
Itamar 2021-03-13 10:37:23 +02:00 • committed by Andreas Kling
parent 7bf6eca9d8
commit 8688259ed9
8 changed files with 43 additions and 10 deletions
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1
Userland/DevTools/HackStudio/LanguageServers/ClientConnection.cpp
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@ -135,6 +135,7 @@ void ClientConnection::handle(const Messages::LanguageServer::FindDeclaration& m
dbgln("could not find declaration");
return;
}
dbgln_if(LANGUAGE_SERVER_DEBUG, "declaration location: {} {}:{}", location.value().file, location.value().line, location.value().column);
post_message(Messages::LanguageClient::DeclarationLocation(GUI::AutocompleteProvider::ProjectLocation { location.value().file, location.value().line, location.value().column }));
}

24
Userland/DevTools/HackStudio/LanguageServers/Cpp/ParserAutoComplete.cpp
View file

@ -343,10 +343,26 @@ Optional<GUI::AutocompleteProvider::ProjectLocation> ParserAutoComplete::find_de
return {};
}
auto decl = find_declaration_of(document, *node);
if (!decl)
return {};
if (decl)
return GUI::AutocompleteProvider::ProjectLocation { decl->filename(), decl->start().line, decl->start().column };
return GUI::AutocompleteProvider::ProjectLocation { decl->filename(), decl->start().line, decl->start().column };
return find_preprocessor_definition(document, identifier_position);
}
Optional<GUI::AutocompleteProvider::ProjectLocation> ParserAutoComplete::find_preprocessor_definition(const DocumentData& document, const GUI::TextPosition& text_position)
{
Position cpp_position { text_position.line(), text_position.column() };
// Search for a replaced preprocessor token that intersects with text_position
for (auto& replaced_token : document.parser().replaced_preprocessor_tokens()) {
if (replaced_token.token.start() > cpp_position)
continue;
if (replaced_token.token.end() < cpp_position)
continue;
return GUI::AutocompleteProvider::ProjectLocation { replaced_token.preprocessor_value.filename, replaced_token.preprocessor_value.line, replaced_token.preprocessor_value.column };
}
return {};
}
RefPtr<Declaration> ParserAutoComplete::find_declaration_of(const DocumentData& document_data, const ASTNode& node) const
@ -409,7 +425,7 @@ OwnPtr<ParserAutoComplete::DocumentData> ParserAutoComplete::create_document_dat
auto document_data = make<DocumentData>();
document_data->m_filename = move(filename);
document_data->m_text = move(text);
document_data->m_preprocessor = make<Preprocessor>(document_data->text());
document_data->m_preprocessor = make<Preprocessor>(document_data->m_filename, document_data->text());
document_data->preprocessor().process();
Preprocessor::Definitions all_definitions;

1
Userland/DevTools/HackStudio/LanguageServers/Cpp/ParserAutoComplete.h
View file

@ -106,6 +106,7 @@ private:
String document_path_from_include_path(const StringView& include_path) const;
void update_declared_symbols(const DocumentData&);
GUI::AutocompleteProvider::DeclarationType type_of_declaration(const Declaration&);
Optional<GUI::AutocompleteProvider::ProjectLocation> find_preprocessor_definition(const DocumentData&, const GUI::TextPosition&);
OwnPtr<DocumentData> create_document_data(String&& text, const String& filename);